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The mechanism which alcohol undergoes nucleophilic substitution reaction with a hydrogen halide is dependant on?
WHich of the following will act as a lewis acid? (please explain why as I need to understand the concept)
Solution A has a hydronium ion concentration of 3.8 X 10-8 M. Solution B has a hydronium ion concentration of 2.5 X 10-4 M. which solution has the larger hydronium ion concentration. and which solution has the larger pH.
circle the correct choices to indicate how many electrons each element must gain or lose to form an octet
How many grams of C2H2 are produced from 4.43 moles of CaC2? CaC2 + 2 H2O → Ca(OH)2 + C2H2
a cube of brass 2 cm on a side is heated until the temperature of the brass is 75oc. the cube is quickly added to 100
Calculate the maximum bond extension in Angstroms past equilibrium in HCl35 in its first excited vibrational state. The fundamental absorption frequency of this molecule is 2885 cm-1.
The number of vacancies in some hypothetical metal increases by a factor of 6 when the temperature is increased from 1100 K to 1200 K. Calculate the energy (in J/mol) for vacancy formation assuming that the density of the metal remains the same ov..
It is given given that pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25 degrees C. Calculate the molarity of a solution of acetic acid made by dissolving 29.00 mL of glacial acetic acid
the volume of an average stomach is about 0.1l suppose that a particular condition of acid indigestion is equivalent to
Calculate the pH of 0.540 L of a 0.195 M NH4Cl -0.195 M NH3 buffer before and after the addition of the following substances. Assume that the volume remains constant.
a mixture of sodium salts may contain one or more of the anionscl- i- so42- no32-po43- . all of the salts are readily
A 100.0 mL sample of cold water at 21.3 C was added to a 75.0 mL sample of hot water at 55.1 C. Calculate the temperature of the warm water mixture.
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